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A bird flew into my engine (j/k)
I was unscrewing the bolt that holds down firewall half of the airbox on my 99 OBS (CA emmissions) when i heard a <ping!> and it came loose. The bolt was aparantly too rusted half-way-down the threads to come all the way out, and broke off inside the metal tube there. Then, when i went to put the airbox back together, i noticed that the throttle body side of the airbox was cracked on two opposite corners (i knew about one when i bought it, but hadn't seen the other one because it was a bottom corner i'm assuming).
so now i need to replace these things (the front of the airbox (throttlebody side) and the metal tube that stabilizes the other side of the box and is connected to the tranny it lookslike), but i can't find the part numbers and the local junkyard that used to have subies just closed up and moved out. can somebody help???? i think the airbox part is either 16520aa060 or 16520aa070. PLEASE HELP!!!!

Airbox, remove it, clean the breaks and then fill the cracks with "Goop" which is a thick silicone sealer (you can get it at Home Depot in the plumbing section).
Mount, soak the broken bit with Kroil/PB Blaster/WD-40, etc. Then, usins a small (~1/16"+) drill bit, drill through the broken part. You may luck out and spin it into the existing hole leaving a spot to replace the bolt.

i've used goop before, but i'm not confident that it would fix these cracks. i can't get the bottom of the airbox closed flush without duct tape or cable ties because the crack on the bottom left has bent the actual box. i'd really be happier with a new one. it's also missing the upper driver's side corner from the previous owner (i've had it pretty well patched up, but i draw the line at two opposing corners).
i'll try your suggestion with the screw, but does anyone have the part # just in case?